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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $350.00 Call

MSFT261218C00350000

Latest saved OI3,144Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $350.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,1501,5750 2026-10-09: 3,145 OI2026-10-13: 3,143 OI2026-10-14: 3,143 OI2026-10-15: 3,143 OI2026-10-16: 3,147 OI2026-10-21: 3,150 OI2026-10-23: 3,144 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MSFT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,144-6
Oct 21, 20263,150+3
Oct 16, 20263,147+4
Oct 15, 20263,1430
Oct 14, 20263,1430
Oct 13, 20263,143-2
Oct 09, 20263,145No prior observation